C++ impact and status on Exercism

C++

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C++ Track Management

This page provides the Exercism community with the information and tools needed to manage the C++ track.

Students

129,751

Submissions

1,596,317

Mentoring Discussions

12,711

The C++ track needs attention ⚠️

Building

C++ syllabus

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Help create the track syllabus: is a set of concepts and learning exercises put together to teach foundational elements of the programming language.

Next goal: Create a complete syllabus with at least 20 concepts. Find out more.

17 concepts being taught

Includes

6,245 learnt

Strings

6,245 learnt

Basics

11,624 learnt

Numbers

4,616 learnt

Namespaces

7,484 learnt

Booleans

7,799 learnt

Comparisons

3,943 learnt

If Statements

3,943 learnt

Arrays and Vectors

2,321 learnt

Loops

3,244 learnt

Classes

2,730 learnt

References

1,799 learnt

Enumerations

2,000 learnt

Switch Statements

2,000 learnt

Headers

1,254 learnt

Functions

822 learnt

Pointers

34 learnt

14 active learning exercises

Started

Attempts

Completions

Mentoring requests

Log Levels

8,949

65,993 (avg. 7.4)

6,245 (69.8%)

171 (1.9%)

Lasagna

16,088

67,159 (avg. 4.2)

11,624 (72.3%)

198 (1.2%)

Freelancer Rates

5,237

45,181 (avg. 8.6)

4,616 (88.1%)

59 (1.1%)

Last Will

9,070

52,142 (avg. 5.7)

7,484 (82.5%)

101 (1.1%)

Pacman Rules

8,552

46,177 (avg. 5.4)

7,799 (91.2%)

85 (1.0%)

Vehicle Purchase

4,161

26,416 (avg. 6.3)

3,943 (94.8%)

33 (0.8%)

Making the Grade

2,804

47,725 (avg. 17.0)

2,321 (82.8%)

75 (2.7%)

Interest is interesting

3,496

25,463 (avg. 7.3)

3,244 (92.8%)

36 (1.0%)

Ellen's Alien Game

2,974

21,729 (avg. 7.3)

2,730 (91.8%)

38 (1.3%)

Election Day

1,996

22,208 (avg. 11.1)

1,799 (90.1%)

35 (1.8%)

Troll the Trolls

2,215

21,034 (avg. 9.5)

2,000 (90.3%)

48 (2.2%)

Doctor Data

1,602

22,776 (avg. 14.2)

1,254 (78.3%)

32 (2.0%)

lasagna-master

992

13,681 (avg. 13.8)

822 (82.9%)

14 (1.4%)

Speedywagon Foundation

589 (avg. 10.5)

34 (60.7%)

0 (0.0%)

Practice Exercises

Learn More

Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Synced primary repo: acc32555eab077cf786f892b6ab27a22184d81c7 (Updates should be instant)

Next goal: Implement 133 practice exercises. Find out more.

82 active practice exercises

Started

Attempts

Completions

Mentoring requests

Hello World

94,857

255,442 (avg. 2.7)

48,754 (51.4%)

12 (0.0%)

Leap

23,431

97,483 (avg. 4.2)

12,125 (51.7%)

2,520 (10.8%)

Reverse String

13,323

87,066 (avg. 6.5)

8,508 (63.9%)

1,506 (11.3%)

Space Age

8,288

65,196 (avg. 7.9)

4,118 (49.7%)

1,136 (13.7%)

Triangle

5,620

40,871 (avg. 7.3)

3,390 (60.3%)

766 (13.6%)

Grains

3,895

26,905 (avg. 6.9)

3,135 (80.5%)

598 (15.4%)

Raindrops

6,427

44,023 (avg. 6.8)

5,281 (82.2%)

627 (9.8%)

Pangram

3,154

22,939 (avg. 7.3)

2,517 (79.8%)

490 (15.5%)

Two Fer

2,906

11,816 (avg. 4.1)

2,425 (83.4%)

85 (2.9%)

Grade School

3,211

29,374 (avg. 9.1)

2,091 (65.1%)

232 (7.2%)

Hamming

4,738

13,735 (avg. 2.9)

3,839 (81.0%)

364 (7.7%)

Nucleotide Count

3,203

16,844 (avg. 5.3)

2,358 (73.6%)

280 (8.7%)

RNA Transcription

2,479

12,547 (avg. 5.1)

2,039 (82.3%)

171 (6.9%)

Collatz Conjecture

2,043

9,531 (avg. 4.7)

1,724 (84.4%)

53 (2.6%)

Difference of Squares

3,486

11,146 (avg. 3.2)

3,045 (87.3%)

178 (5.1%)

Nth Prime

2,285

15,532 (avg. 6.8)

1,535 (67.2%)

136 (6.0%)

Queen Attack

1,961

15,620 (avg. 8.0)

1,293 (65.9%)

114 (5.8%)

Sieve

1,911

10,791 (avg. 5.6)

1,533 (80.2%)

128 (6.7%)

Say

1,638

13,887 (avg. 8.5)

904 (55.2%)

117 (7.1%)

Gigasecond

2,892

5,934 (avg. 2.1)

1,972 (68.2%)

255 (8.8%)

Secret Handshake

1,314

6,911 (avg. 5.3)

1,072 (81.6%)

50 (3.8%)

Allergies

2,166

15,605 (avg. 7.2)

1,419 (65.5%)

93 (4.3%)

Protein Translation

1,362

8,581 (avg. 6.3)

1,131 (83.0%)

48 (3.5%)

Sum of Multiples

1,668

6,287 (avg. 3.8)

1,283 (76.9%)

71 (4.3%)

Prime Factors

1,457

5,570 (avg. 3.8)

1,176 (80.7%)

51 (3.5%)

Robot Name

1,585

10,613 (avg. 6.7)

1,103 (69.6%)

115 (7.3%)

Clock

1,160

6,320 (avg. 5.4)

671 (57.8%)

53 (4.6%)

Meetup

919

3,055 (avg. 3.3)

505 (55.0%)

25 (2.7%)

Beer Song

990

6,040 (avg. 6.1)

756 (76.4%)

35 (3.5%)

Atbash Cipher

1,952

30,664 (avg. 15.7)

1,456 (74.6%)

96 (4.9%)

Trinary

1,744

11,824 (avg. 6.8)

1,518 (87.0%)

36 (2.1%)

Binary Search

1,176

8,333 (avg. 7.1)

810 (68.9%)

41 (3.5%)

Phone Number

1,092

5,303 (avg. 4.9)

782 (71.6%)

42 (3.8%)

Series

833

3,546 (avg. 4.3)

648 (77.8%)

24 (2.9%)

Complex Numbers

1,004

5,548 (avg. 5.5)

645 (64.2%)

25 (2.5%)

Food Chain

970

2,809 (avg. 2.9)

705 (72.7%)

27 (2.8%)

Roman Numerals

887

3,333 (avg. 3.8)

663 (74.7%)

24 (2.7%)

Bob

2,942

19,920 (avg. 6.8)

2,381 (80.9%)

265 (9.0%)

Word Count

1,442

5,520 (avg. 3.8)

1,088 (75.5%)

92 (6.4%)

Circular Buffer

872

6,375 (avg. 7.3)

519 (59.5%)

45 (5.2%)

Crypto Square

737

5,064 (avg. 6.9)

491 (66.6%)

21 (2.8%)

ETL

1,397

3,312 (avg. 2.4)

1,133 (81.1%)

43 (3.1%)

Matching Brackets

1,151

7,102 (avg. 6.2)

920 (79.9%)

35 (3.0%)

Anagram

1,587

4,536 (avg. 2.9)

1,231 (77.6%)

97 (6.1%)

Binary Search Tree

1,108

5,524 (avg. 5.0)

364 (32.9%)

43 (3.9%)

Luhn

1,427

15,178 (avg. 10.6)

1,148 (80.4%)

56 (3.9%)

Acronym

961

4,132 (avg. 4.3)

739 (76.9%)

28 (2.9%)

Armstrong Numbers

1,426

6,568 (avg. 4.6)

1,237 (86.7%)

34 (2.4%)

Binary

1,235

4,488 (avg. 3.6)

986 (79.8%)

84 (6.8%)

Hexadecimal

1,392

6,584 (avg. 4.7)

1,173 (84.3%)

75 (5.4%)

Isogram

2,453

4,592 (avg. 1.9)

1,562 (63.7%)

99 (4.0%)

Pascal's Triangle

862

3,048 (avg. 3.5)

656 (76.1%)

25 (2.9%)

Perfect Numbers

345

2,137 (avg. 6.2)

293 (84.9%)

6 (1.7%)

Scrabble Score

1,193

3,438 (avg. 2.9)

915 (76.7%)

90 (7.5%)

All Your Base

848

4,742 (avg. 5.6)

571 (67.3%)

47 (5.5%)

Robot Simulator

1,206

4,764 (avg. 4.0)

693 (57.5%)

51 (4.2%)

Bank Account

589

2,501 (avg. 4.2)

292 (49.6%)

36 (6.1%)

Darts

1,798

11,816 (avg. 6.6)

1,593 (88.6%)

24 (1.3%)

Largest Series Product

309

2,027 (avg. 6.6)

243 (78.6%)

9 (2.9%)

Isbn Verifier

471

3,360 (avg. 7.1)

360 (76.4%)

12 (2.5%)

Linked List

175

1,392 (avg. 8.0)

100 (57.1%)

5 (2.9%)

Simple linked list

508

3,983 (avg. 7.8)

322 (63.4%)

15 (3.0%)

High Scores

523

4,347 (avg. 8.3)

468 (89.5%)

11 (2.1%)

Eliud's Eggs

593

2,404 (avg. 4.1)

538 (90.7%)

11 (1.9%)

Diamond

159

1,151 (avg. 7.2)

122 (76.7%)

4 (2.5%)

Run-Length Encoding

177

1,745 (avg. 9.9)

141 (79.7%)

3 (1.7%)

Rotational Cipher

583

4,412 (avg. 7.6)

521 (89.4%)

11 (1.9%)

Resistor Color

178

937 (avg. 5.3)

150 (84.3%)

4 (2.2%)

Resistor Color Duo

164

711 (avg. 4.3)

139 (84.8%)

2 (1.2%)

Minesweeper

157

927 (avg. 5.9)

104 (66.2%)

2 (1.3%)

Sublist

119

876 (avg. 7.4)

76 (63.9%)

2 (1.7%)

Zebra Puzzle

107

339 (avg. 3.2)

45 (42.1%)

5 (4.7%)

List Ops

154

1,695 (avg. 11.0)

91 (59.1%)

2 (1.3%)

Knapsack

112

670 (avg. 6.0)

66 (58.9%)

2 (1.8%)

Two Bucket

102

328 (avg. 3.2)

52 (51.0%)

1 (1.0%)

Yacht

130

1,042 (avg. 8.0)

95 (73.1%)

0 (0.0%)

Kindergarten Garden

406

3,182 (avg. 7.8)

296 (72.9%)

8 (2.0%)

D&D Character

179

1,240 (avg. 6.9)

115 (64.2%)

1 (0.6%)

Spiral Matrix

114

671 (avg. 5.9)

70 (61.4%)

4 (3.5%)

Parallel Letter Frequency

154

650 (avg. 4.2)

81 (52.6%)

4 (2.6%)

Pig Latin

137

1,060 (avg. 7.7)

71 (51.8%)

4 (2.9%)

Rail Fence Cipher

530 (avg. 6.7)

49 (62.0%)

2 (2.5%)

51 unimplemented practice exercises

Affine Cipher

Alphametics

Book Store

Bottle Song

Bowling

Change

Connect

Conway's Game of Life

Custom Set

Dominoes

DOT DSL

Error Handling

Flatten Array

Forth

Go Counting

Grep

Hangman

House

Killer Sudoku Helper

Ledger

Lens Person

Markdown

Matrix

Micro Blog

OCR Numbers

PaaS I/O

Palindrome Products

Poker

POV

Proverb

Pythagorean Triplet

Rational Numbers

React

Rectangles

Resistor Color Trio

REST API

Saddle Points

Satellite

SGF Parsing

Simple Cipher

Square Root

State of Tic-Tac-Toe

Strain

Tournament

Transpose

Tree Building

Twelve Days

Variable Length Quantity

Word Search

Wordy

Zipper

1 foregone practice exercise

Point Mutations

View data

Programming Tags

Learn More

Help manage the tags used to group, filter and recommend solutions, approaches and articles.

0 tags

Test Runner

Learn More

Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Current version: fa924a0b0728c894eacbeabe6b9656ec62416b66 (Takes up to 10 mins to deploy)

Total Test Runner Runs

1,558,953

Test Run Pass Rate

16.6% (258838)

Test Run Fail Rate

24.0% (374387)

Test Run Error Rate

59.4% (925728)

Representer

Learn More

Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Current version: 29eab0a802586f7bc346f598a1ca98a74deb7547 (Takes up to 10 mins to deploy)

Total Representer Runs

281,629

Total Representation Comments Made

44,760

Feedback Given Frequency

15.9%

Analyzer

Learn More

Build an Analyzer for C++: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.

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The C++ track needs attention ⚠️

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